Scientists and branches of science

Someone studying minerals is a (a)  

Someone studying and making maps (a)   .

Someone studying the earth's structure and its changes over time is a (a)  

Someone studying weather patterns over long periods of time is a (a)  

Someone studying volcanoes, their history and current activity is a (a)  

Someone studying the behaviour of ice, often in polar regions is a (a)  

Someone who collects data about the sea floor is a/an (a)  

Someone studying earthquakes and related effects such as tsunamis is a (a)   .

Someone studying the earth, its lands, features and inhabitants is a (a)  

Someone who studies genes, heredity, and genetic variations in living organisms is a (a)